Water supply and filtering system.



Patented Apr. 29, |902. L. E. SMITH.

WATER SUPPLY AND FILTERING SYSTEM.

(Application flld Nov. 6, 1901.;

2 Shees-Sheet I.

(No Model.)

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No. 699,932. Y y' Patented Apr. 29, |902.

L. E. SMITH.

WATER SUPPLY AND FILTERING SYSTEM.

(Application led Nov. 6, 1901.) (No Model.) 2 Sheets-Sheet 2.

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UNITED STATES LLOYD E. SMITH, OF

-ATENT Erica.

PORTSMOUTH, OHIO.

WATER SUPPLY ANDjFILTERING SYSTEM.

SPECIFICATION forming part of Letters Patent No. 699,082, dated April 29, 1902.

Application tiled November 6, 1901. Serial No. 81,341. (No model.)

Systems, of which the following is a specification. Y Y The chief requisites of water-supply systems foi-cities or towns are due quantity, maximum purity, and moderate cost for installation and repairs. I have devised an apparatus or system of pipes so constructed and so located as to fulfil these requirements to the highest degree.

My invention is an improvement in the class of supply and filter systems in which a natural bed or deposit of sand or fine gravel in a river or lake bottom is availed of as a filtering medium.

The details of construction, arrangement,

and operation are as hereinafterdescribed,ref-

erence beinghad to the accompanying drawings, in which- Figure lis a perspective diagrammatic view illustrating my invention as applied in practice. Fig. 2 is a plan view of the main por` tion of the apparatus. Fig. 3 is a vertical longitudinal section 'of a portionof a river sand-bed and my apparatus in place therein. Fig. 4 is asection at'right angles to that shown in Fig. 3.

A suction-pipeA leads from a pumping station or plant located on a river bank into and along the bottom of a river and to a natural bed B of sand or gravel therein, where said pipe A is connected with a larger one, C, which lies upon the sand-bed B in horizontal position and in the direction of the river-channel.'

The pipe C is perforated and provided with vertical pendent pipes D D D2, dac., which connect with laterals or cross-pipes E E E2, 85e., having openings or perforations and arranged at right angles to the reservoir-pipe C and arranged in the same horizontal plane in the sand-bed B. The pipes E E E2, dac., are buried at a depth of several feet-that is to say, at such depth as will insure` due filtration of water taken into the pipes and avoid all danger of being exposed by shifting of the sand in the natural course.

The neness of the sand or gravel and its n'(zonlpactness, as well as thenlocati'on of the bed, are elements in determining the depthl filtered water is insured at the several points where'the said pipes connect with the pendent pipes D D', dac., that connect with the central reservoir-pipe C. That is to say, the openings are largest at the outer ends of the pipes E E', dac., and smallest at their inner ends. By this graduation of size of the openings a uniform and rapid admission and flow of water and a better filtration of the same are insured, for it is manifest that if the openings were of uniform size the admission of water would take place mainly in those openings adjacent to the reservoir pendent pipes E E, dac., and the ltration would be correspondingly less perfect.

The' arrangement of the laterals E E', dac., relative to the reservoir C-that is to say, at right angles thereto and below thesame and at a considerable distance from each other, so that each is separately bedded in the sandinsures great security of the apparatus in sitnation, as well as a separate filtering-bed for eachintake or lateral-that is to say, when vthe whole apparatus with which the. pipe A is connected is buried in thesand the pipe C and its pendants D D D2, ctc., resist lateral movement, While said pendants D Dl D2, &c., and the laterals ETE E2, dec., resist sidewise movement, and the said laterals are spaced apart far enough to provide an independent iilter-bed for each.

It will be understood that a pump will be dispensed with in case the intake-pipes C D E, dac., are located high enough to allow water to ilow by gravity through -pipe A to the point of delivery. In either case the relatively small diameter or capacity of the offtake-pipe A to the intake C, or more particularly to the aggregate capacity of the several pipes E, E', E2, and C, insures a constant supply upon which to draw and avoids too rapid suction of Water into the pipes E E', &c. In other Words, the pipes EE E2, &c., and their connections D D', dto., and C constitute, in effect, an intake -reservoir, into which, owing to the much smaller capacity of ICQ olftake A, the Water enters so slowly that there is no tendency to draw in sand to any extent, and perfect filtration is obtained.

I propose to apply my plant or system chieliy in the Ohio and other similar streams, where compact sand or gravel beds orbars are available at frequent intervals, and thus in reasonable proximity to cities or towns, so that the pumping stations or engines already in use at the latter may be utilized, it being only necessary to connect the same with my offtake-pipe A.

l. The described water supply and filtering apparatus comprising an oitake extending to a point of delivery, a reservoir-pipe, a series of pipes pendent from the latter, and a series of lateral pipes buried in a sand-bed at the bottom of a natural body of Water, and provided with inlet-openings, as shown and described.

2. The described Water supply and filtering apparatus comprising an oitake leading to a distributing station, a reservoirpipe of greater capacity connected therewith, and

laid upon a river sand-bed, a series of pipes pendent from said reservoir-pipe, and a double series of lateral feed and filter pipes arranged at right angles to the reservoir-pipe and attached to such pendent pipes, and having openings which are gradually enlarged in diameter from the inner to the outer ends of said feed-pipes, as shown and described.

3. The described Water supply and iltering system comprising a reservoir-pipe having a. series of pendent pipes and lateral or branch feed-pipes connected with the latter and eX- tending at right angles and provided with inlet-openings, such intake system being buried at a suitable depth iu a sand-deposit in the bed of a natural water-supply, andan oltakepipe attached to the said reservoir-pipe, but having less diameter, and extending to a distributing-station on the bank, as shown and described.

LLOYD E. sniru.Y 

